CVE-2025-9637: medium-severity vulnerability in expresstech Quiz and Survey Master (QSM)…
Quiz and Survey Master (QSM) <= 10.3.1 - Missing Authorization to Unpublished, Private And Password-Protected Quiz Information Disclosure And Image Response Uploads
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.3%
The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability and status checks on multiple functions in all versions up to, and including, 10.3.1. This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Related CVEs — expresstech Quiz and Survey Master (QSM)…
In the same product, most dangerous first.
CVE-2023-0291HIGHQuiz And Survey Master <= 8.0.8 - Unauthenticated Arbitrary Media DeletionEPSS 2.0%CVE-2022-4032HIGHQuiz and Survey Master <= 8.0.4 - Unauthenticated iFrame Injection via Paragraph and Short AnswerEPSS 0.8%CVE-2023-0292MEDIUMQuiz And Survey Master <= 8.0.8 - Cross-Site Request Forgery to Arbitrary Media DeletionEPSS 0.8%CVE-2022-4033MEDIUMQuiz and Survey Master <= 8.0.4 - Improper Input ValidationEPSS 0.8%CVE-2026-5797MEDIUMQuiz and Survey Master (QSM) <= 11.1.0 - Unauthenticated Shortcode Injection Leading to Arbitrary Quiz Result Disclosure via Quiz Answer Text Input FieldsEPSS 0.5%CVE-2026-9230MEDIUMQuiz and Survey Master (QSM) <= 11.1.4 - Missing Authorization to Authenticated (Contributor+) Arbitrary Quiz Modification and Email Reroute via Leaked Nonce from /quiz/structureEPSS 0.5%
References
https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L1987https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L281https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.phphttps://www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0b0075e9?source=cve